The guard of honor attend the Grand Tattoo ceremony to honor outgoing German President Joachim Gauck at the presidential residence of Bellevue Palace in Berlin, capital of Germany, on March 17, 2017. Joachim Gauck is leaving office after a five-year term and will be succeeded by former Foreign Minister Frank-Walter Steinmeier. (Xinhua/Shan Yuqi)
Outgoing German President Joachim Gauck (3rd R) attends the Grand Tattoo ceremony for him at the presidential residence of Bellevue Palace in Berlin, capital of Germany, on March 17, 2017. Joachim Gauck is leaving office after a five-year term and will be succeeded by former Foreign Minister Frank-Walter Steinmeier. (Xinhua/Shan Yuqi)
Outgoing German President Joachim Gauck (C) arrive for the Grand Tattoo ceremony for him at the presidential residence of Bellevue Palace in Berlin, capital of Germany, on March 17, 2017. Joachim Gauck is leaving office after a five-year term and will be succeeded by former Foreign Minister Frank-Walter Steinmeier. (Xinhua/Shan Yuqi)
Outgoing German President Joachim Gauck (2nd L) attends the Grand Tattoo ceremony for him at the presidential residence of Bellevue Palace in Berlin, capital of Germany, on March 17, 2017. Joachim Gauck is leaving office after a five-year term and will be succeeded by former Foreign Minister Frank-Walter Steinmeier. (Xinhua/Shan Yuqi)